import re
from typing import Any


_WHITESPACE_RE = re.compile(r"\s+")


def normalize_text(value: str) -> str:
    return _WHITESPACE_RE.sub(" ", value).strip()


def normalize_payload(value: Any) -> Any:
    if isinstance(value, dict):
        return {k: normalize_payload(v) for k, v in sorted(value.items())}
    if isinstance(value, list):
        return [normalize_payload(item) for item in value]
    if isinstance(value, str):
        return normalize_text(value)
    return value